Jurel.
are used where the measurement of the ground water pressures are
specifically required.
3. Trafic tunnel
4.
5.
II.
and railways.
Rockbolt
is the rock excavated beyond the required cross section of the tunnel.
is a tunnel that constructed underground for the passage of roads
is a long bolt for stabilizing rock excavations by transferring loads
from the exterior into the stronger, interior rock mass.
is a rolled fill dam composed of several zones that increase in
permeability from the core towards the outer slopes.
Choose the best answer (2 pts. for each)
the structures.
use to reduce the amount and velocity of subsurface water flowing under
A) Barriers B) Drains
C) Well D) Electro-osmosis method
2. A solid barrier constructed at a suitable location across a river valley to impound water is
called
a) Reservoir b) Dam
c) Bridge
d) Retaining wall
3. Which among the following is not an objective for the construction of the dam?
a) To make sure rains occur periodically
b) Generation of hydropower energy
c) Providing water supply for domestic and industrial purposes
d) Providing irrigational facilities
Which type of dam usually has a triangular profile and can resist the forces by its own
weight?
a) Gravity dam
b) Arch dam
Type of dam where the forces acting on the dam are transmitted onto the abutment rocks
c) Geotechnical dam d) Embankment dam
a) Gravity dam b) Arch dam c) Geotechnical dam d) Embankment dam